/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    https://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */

package org.grails.gorm.graphql.entity.dsl

import org.grails.gorm.graphql.entity.dsl.helpers.ExecutesClosures

/**
 * A class to lazy initialize GraphQL mappings on
 * GORM entities. This is to allow users to access the
 * mapping context API (for example to specify data fetching
 * instances) inside of the mapping closure without needing
 * the API to be available
 *
 * @author James Kleeh
 * @since 1.0.0
 */
class LazyGraphQLMapping implements ExecutesClosures {

    Closure closure

    protected LazyGraphQLMapping(Closure closure) {
        this.closure = closure
    }

    GraphQLMapping initialize() {
        GraphQLMapping mapping = new GraphQLMapping()
        withDelegate(closure, mapping)
        mapping
    }
}
